Climate trouble may be bubbling up in far north

Only a squawk from a sandhill crane broke the Arctic silence — and a low gurgle of bubbles, a watery whisper of trouble repeated in countless spots around the polar world."On a calm day, you can see 20 or more 'seeps' out across this lake," said Canadian researcher Rob Bowen, sidling his small rubber boat up beside one of them. A tossed match would have set it ablaze."It's essentially pure methane."Pure methane, gas bubbling up from underwater vents, escaping into northern skies, adds to the...Full Story
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